The Seattle Times

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JIM WILSON / The New York Times
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Monday, April 23, 2012

In hippie holdout, a fight over worms and moats

A structure at the home of David Lee Hoffman. Marin County has numerous issues with the 30 or so structures he has built over the years. Chief among its concerns is his method of disposing and recycling waste. It is called vermicomposting, in which worms, microorganisms and carbon-rich leaves turn waste into humus. The humus and "gray water" from the shower and kitchen flow into a moat. It's then filtered and piped into the garden.